OITracker Cboe delayed data

Contract OI history

Back to BHVN

Dec 18, 2026 EXPIRATION

BHVN $12.50 Put

BHVN261218P00012500

Latest saved OI299Oct 23, 2026
Last change+31vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BHVN $12.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2991490 2026-10-02: 271 OI2026-10-05: 271 OI2026-10-06: 271 OI2026-10-07: 271 OI2026-10-08: 271 OI2026-10-09: 271 OI2026-10-13: 271 OI2026-10-14: 271 OI2026-10-16: 268 OI2026-10-20: 268 OI2026-10-23: 299 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BHVN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing299+31
Oct 20, 20262680
Oct 16, 2026268-3
Oct 14, 20262710
Oct 13, 20262710
Oct 09, 20262710
Oct 08, 20262710
Oct 07, 20262710
Oct 06, 20262710
Oct 05, 20262710
Oct 02, 2026271No prior observation